%0 Journal Article %A V. A. Plaksin %T Numbers representable by the sum of two squares %J Doklady Akademii Nauk %D 1986 %P 1305-1307 %V 286 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_286_6_a5/ %G ru %F DAN_1986_286_6_a5